As a veteran contractor knows

The steel shell is rated for a 680 PSI maximum working pressure and finished with corrosion-resistant epoxy powder paint

lifting flame or "flame rollout" due to excessive air velocity

Designed for high-cycle reliability in Intertherm and Miller furnaces

Industry Standard Leads: Features color-coded 8-inch leads for rapid wiring and identification

Trane THT2437 Limit Switch As a veteran contractor knowsThe Trane THT2437 Limit Switch is a high precision, OEM furnace safety control designed to maintain thermal integrity within Trane and American Standard heating systems. This automatic reset limit switch operates as a critical safety thermostat, featuring a calibrated 190F open temperature to interrupt the burner circuit during over temperature conditions and a 160F close temperature for system re engagement. Engineered with 7 inches of insulation,